Dubuque weather by month & the best time to visit
🇺🇸 United States · small town · hot-summer continental climate
The best time to visit Dubuque is September — its sunniest month (Sunshine Score 74/100), with August and May close behind. Dubuque averages about 2,280 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 98 mm of rain in September.
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- Sun hours / year
- 2,280
- Sunniest month
- September
- Peak score
- 74/100
- Rain / year
- 959 mm
- Snow / year
- ≈1.6 m
- Midday UV at peak
- 8 (very high)
- Population
- 59k
- Elevation
- 321 m
When is the best time to visit Dubuque?
For sunshine, the best time to visit Dubuque is September, then August and May. The dullest month is January (0/100, 31 mm of rain). The full month-by-month picture is in the table below.
How sunny is Dubuque?
Dubuque gets a moderate 2,280 hours of sunshine a year. 74 Sunshine Score points separate September (74) from January (0), so the month you pick matters. It ranks #287 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 959 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -3° / 27°F | -12° / 10°F | 31 mm | 1 |
| February | 0 | -1° / 30°F | -11° / 12°F | 37 mm | 2 |
| March | 0 | 7° / 45°F | -4° / 25°F | 55 mm | 3 |
| April | 37 | 14° / 57°F | 2° / 36°F | 95 mm | 5 |
| May | 72 | 20° / 68°F | 9° / 48°F | 109 mm | 6 |
| June | 67 | 26° / 79°F | 15° / 59°F | 137 mm | 7 |
| July | 72 | 28° / 82°F | 17° / 63°F | 112 mm | 8 |
| August | 73 | 27° / 81°F | 16° / 61°F | 103 mm | 7 |
| September | 74 | 23° / 73°F | 11° / 52°F | 98 mm | 5 |
| October | 45 | 15° / 59°F | 4° / 39°F | 79 mm | 3 |
| November | 0 | 7° / 45°F | -2° / 28°F | 54 mm | 2 |
| December | 0 | -1° / 30°F | -9° / 16°F | 49 mm | 1 |
See Dubuque on the interactive sunshine globe →
Nearby places for sunshine
- Cedar Rapids United States · 101 km · best in Sep · 2,315 h sun/yr
- Moline United States · 107 km · best in Sep · 2,290 h sun/yr
- Madison United States · 139 km · best in Sep · 2,236 h sun/yr
- Peoria United States · 211 km · best in Sep · 2,293 h sun/yr
- Rochester (Minnesota) United States · 222 km · best in Jul · 2,340 h sun/yr
- Chicago United States · 236 km · best in Sep · 2,095 h sun/yr
Nearest destinations
- Rockford United States · 135 km · 2,258 h sun/yr · best in Sep
- Waterloo (Iowa) United States · 140 km · 2,391 h sun/yr · best in Sep
- La Crosse United States · 170 km · 2,283 h sun/yr · best in Jul
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